Top Open Source Cloud Computing Software:

OpenStack Open Source Cloud Computing Software. OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

OpenNebula – Flexible Enterprise Cloud Made Simple. Enterprise cloud computing is the next step in the evolution of data center virtualization. OpenNebula combines existing virtualization technologies with advanced features for multi-tenancy, automatic provision and elasticity, following a bottom-up approach driven by the real needs of sysadmins and devops.

Private Cloud made in Germany. openQRM Enterprise provides you with a complete Automated Workflow Engine for all your Bare-Metal and VM deployment AND all of your IT subsystems. Gain higher efficiency through management, automation and monitoring of your Datacenter & Cloud capacities.